[rfc][icedtea-web] Remove use of clear cache in PackGZip Tests

[Andrew Haley]

On 11/24/2014 10:57 AM, Jiri Vanek wrote:
> On 11/23/2014 09:16 AM, Andrew Haley wrote:
>> On 11/22/2014 02:45 PM, Jiri Vanek wrote:
>>> Long story short - the issue was broken cache. Then the dialog "lunch error" apeard. On this dialog is big button "clean cache" and even somebody so skilled as aph did not click it.... I must b missing something,...
>>
>> I never got a dialog box: the browser just hung.
> 
> Hm:( I'm still not able to reproduce. In all cases I got the error dialogue, not frozen browser.
> 
> Andrew, do you recall which directories/files were causing it to happen?

Sorry, no.  And you rather did tell me to delete the cache.

But I still don't understand this problem: if the cache is suspect,
why do you bother the user with a dialogue?  It's just a cache, isn't
it?  Why do you not simply throw it away?

Andrew.